Fume-treating device



Oct. 29, 1929. w. ZITELLA FUME TREATING DEVICE 2 Sheets-Sheet l Filed Dec. 30, 1925 William Zz'ZeZZd I amvemtpz Oct 29, 1929. w. ZITELLA FUME TREATING DEVICE Filed Dec. 50, 1925 2 Sheets-Sheet. 2

I I Quiet/"n Patented Oct. 29, 1929 UNITED STATES PATENT orrlce WILLIAM ZITELLA, or ADAMSTON, WEST VIRGINIA.

Fume-TREATIN nnv 'cn Application filed December 30,1925. Serial N...- 7s,495. f

The present invention has reference to a treating device designed for use with fur-' force them into the treating device, due consideration being given to the construction of the device to relieve the intense heat from the furnace incident to the production of chemicals.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed,it beingunclerstood that changes in the precise embodiment of the invention herein disclosed, may be made within the scope of what is claimed, without departing from the spirit of the invention.

Referring to the drawings:

Figure 1 is a diagrammatic sectional plan view of a fume filtering device constructed in accordance with the present invention.

Figure 2 is a sectional View taken on line 2-2 of Figure 1.

Figure 3 is a sectional view taken on line 33 of Figure 1.

Figure 4 is a perspective view of one of the bafiies of the device.

Figure 5 is a sectional view taken on line 55 of Figure 1.

Figure 6 is a vertical sectional view through the tank forming a part of the device.

Figure 7 is a sectional View taken on line 77 of Figure 6.

Figure 8 is a fragmental sectional view through one of the tubular hoods.

Figure 9 is a sectional view through one of the hoods, illustrating a modified form of battle.

Figure 10 is a sectional view taken on line 1010 of Figure 5.

Referring tothe idrawings in detail, the reference character 5 indicates the upperpor tion' of achemical producing furnace'conr monlyknown as thebox 'and on which the" device forming the essence of 'the'present invention ismountedr I The device embodies tubular hoods indicated at 6 which have their lower portions cut away and formed with flanges 7 so that they may be secured in position on the furnace. 0 Mounted'within'the hoods 6 and arranged throughout the lengths thereof, are bafiles 8, whichbaflies are formed with end portions 9, the lower edges' thereof being disposed at angles so that the'bafiles willbe disposed at oblique angles with respect tothe upper sure faces of the boxes to which the hoods are secured. I I I i As illustrated by Figure 8, these baffles are arranged'so that the inner extremity of one 7 baflie extends within the adjacent batfle, to

the end that the fumes rising from the fur-' nace will be directed against the baffles which in turn willichange thecourse of the fumes to direct the fumes laterally to be purified.

The ends; of the hoods 6 are preferably taperedjas'at 10 so that connecting pipes 11 maybe secured thereto, which connecting pipes establish communication between the hoods 6 and the air supply pipe 12, which pipe 12 receives air from the blower 13 which may beioperated in any suitable and well known manneras by means of the power beltl i. 1

The opposite endsof the hoods 6 extend 8 intothesubstantially large pipe '15 in which pipe are arranged the spray, pipes 16, which i are disposed in spaced relation with each other and extend throughout the length of the pipe 15, there being provided a feed pipe 17 communicating with the pipes 16 to supply the pray pipes 16 with water. In the construction of the sprayv pipes 16, it might be stated that it is "contemplated to form the openings of the spray pipes in close proximity to each other, theopenings being exceptionally fine, so that when the Water passes therethrough, the water will be in the form of an exceptionally fine spray or mist to thoroughly mix with the fumes andwash the fumes of the harmful chemicals with which the fumes are ladened.

At the discharge end of pipe 15 is a vertical bottomless receiving tank 18 which is supported by the legs 19 in such a way that the lower end of the tank 18 is disposed in spaced relation with the surface on which the tank is positioned, to the end that Water may pass from the tank, unobstructed.

Positioned within the tank 18 is a partitioning member 20 which is constructed in such a way as to provide a plurality of openings 21 through which the water may pass downwardly, and through which the fumes may pass upwardly, the water contacting with the fumes at this point to again wash the same;

I Located above the partitioning member'QO are the spray pipes 22 which are disposed in horizontal planes and constructed to direct fine sprays of water downwardlycontact with the rising fumes passing through the openings 21. I

Water is fed tothe spray pipes 22 through the feed pipe 23 that connects with the spray pipes at a point substantially centrally of the tank 18.

While a blower is shownrfor forcing air through the hoods 6, itis to be understood that similar blowers may be positioned within the pipe 15 between the discharge ends of the hoods and the tank 18 to draw the air through the hoods to further increase the suction through the hoods.

Bathe plates indicated at 24L are positioned in the pipe 12 and arranged adjacent to the intake ends of the hoods 6 which battles are adapted to trap the air forced into the pipe 12 and direct the air laterally into the hoods.

As shown by Figure '9of the drawings, it is contemplated to divide the upper portions or boxes of the chemical furnace with which the device is employed into vertical passageways 25, the upper ends of the passageways being formedby the inclined plates 26 that direct the fumes laterally and tend to increase the suction through the hoods.

In the operation of the device, the fumes passing upwardly from the furnace will engage the ba-fies arranged within the hoods and will be directedlaterally to the discharge ends of the hoods, the air blast passing into the hoods and picking up the fumes forcing the fumes tothe discharge ends of the hoods where they are sprayed with the fine spray from the spray pipes; The fumes which are not purified by this treatment are passed onto the tank 18 and as the fumes rise in the tank 18, the spray from the pipes 22 meets the fumes and forces them downwardiy wher the fumes are entirely dissipated.

It might be further stated that While only two of these hoods are shown in the present drawing, it is to be understood that the number of hoods and sizes thereof may be changed to meet various requirements of usage.

I claim:

A fume treating apparatus including elongated hoods having open sides fitted over the upper portions of furnaces to receive fumes therefrom, a horizontal pipe extending across the ends of the hoods and communicating therewith, bafies connected with the hoods, said baffles being angularly disposed and extending into the horizontal pipe, a fan at one end of the horizontal pipe to force air through the pipe and hoods, bafiles in the hoods for directing fumes longitudinally of the hoods, a pipe extending across the oppo site ends of thehoods', said hoods being in communication with the last mentioned pipe and water spraying nozzles in the ,last mentioned pipe for spraying the fumes entering the last mentioned pipe. 1

In testimony that I claim the foregoing as my own,- I have hereto affixed my signature.

WILLIAM ZITELLA. 

